Cheap Flights from Chicago (ORD) to Ontario (ONT) from AU$239

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Cheap Flights from Chicago (ORD) to Ontario (ONT)

Prices were available within the past 7 days and start at AU$239 for one-way flights and AU$305 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Delta
Delta
Delta
Delta
Delta
Delta
Delta
Delta
United
Flight from Chicago to Ontario route information
Origin airport
O'Hare Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Frontier Airlines
Return price
AU$305
Distance
2713 km
Average flight time
6 hours 21 mins

Your quick guide to flights from Chicago to Ontario

Pick up great flights from Chicago to Ontario

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Chicago to Ontario. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Chicago to Ontario that take around hours.

Find cheap flights from Chicago to Ontario

From the great flight deals with prices currently ranging from AU$305 to AU$765, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Chicago to Ontario around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Ontario is normally in May.

Reasons to book your flight from Chicago to Ontario with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Chicago to Ontario across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Ontario right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from ORD to ONT?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight from O’Hare Intl. Airport (ORD) to ONT was AU$305. Fares this cheap don’t hang around, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from O'Hare Airport to ONT that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for ORD to ONT flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to ONT?
The flight distance from O’Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT) is 2 700 kilometres. Listen to some music or bury your nose in a book and the journey will zip on by.
Which airlines fly direct from ORD to Ontario Airport?
Direct flights aren’t available, so you’ll have to make at least one stop between ORD and ONT. Use the layover time to stretch your legs and take a break.
Are O'Hare Airport to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes pick up a bargain, with some of the cheapest fares from O’Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT) emerging a few weeks prior to the departure date. If you’d rather plan ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance.
Ontario Flight Deals

Los Angeles

Burbank

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